Robert Cecil, 3rd Marquess of Salisbury (Conservative) 25 June 1895–11 September 1904.
Joseph Chamberlain (Conservative) 11 September 1904-June 4th 1906
Edward Grey, 1st Viscount Grey of Fallodon (Liberal) June 4th 1906- Oct. 31, 1914.
Andrew Bonar Law (Conservative): Oct. 31, 1914-April 11 1917
Austen Chamberlain (Conservative): April 11 1917- Mar. 20, 1926
Ramsay Macdonald (Labour): Mar. 20, 1926-January 2 1927
H.G. Wells (Labour-Liberal) January 2 1927- June 11, 1928
Winston Churchill (Lib-Lab Coalition): June 11, 1928-September 30 1930
Austen Chamberlain (Conservative): September 13 1930 - July 27 1935
Lloyd George (Liberal): July 27 1935 - July 9, 1942
Sir Anthony Eden (Conservative): July 9, 1942- May 1st 1952
Eric Blair (Labour): 2nd May 1952- 19 June 1957
Hugh Gaitskell (Labour): 19 June 1957-17 October 1958
Ian Macleod (Conservative):17 October 1958- 15 February 1961
Enoch Powell (Conservative): 15 February 1961- 13 December 1963
Clement Attlee (Labour)13 December 1963-1 January 1964
Barbara Castle (Labour) 1st January 1964-11 December 1969
Ian Smith(Conservative-National Liberal Coalition): 11 December 1969-7 July 1973
Alec Douglas-Home, Baron Home of the Hirsel, (Conservative-Grand Coalition) 7 July 1973-